From 99a52ed64babdac68638043f315a266c0fd19eb5 Mon Sep 17 00:00:00 2001
From: Sascha Willems <webmaster@saschawillems.de>
Date: Thu, 28 Feb 2019 19:41:13 +0100
Subject: [PATCH] Properly initialize compute UBO before first submit

Better naming
Fixes #552
---
 examples/computenbody/computenbody.cpp | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/examples/computenbody/computenbody.cpp b/examples/computenbody/computenbody.cpp
index 4aca49d7..f6519fa9 100644
--- a/examples/computenbody/computenbody.cpp
+++ b/examples/computenbody/computenbody.cpp
@@ -693,10 +693,11 @@ public:
 		// Map for host access
 		VK_CHECK_RESULT(graphics.uniformBuffer.map());
 
+		updateComputeUniformBuffers();
 		updateGraphicsUniformBuffers();
 	}
 
-	void updateUniformBuffers()
+	void updateComputeUniformBuffers()
 	{
 		compute.ubo.deltaT = paused ? 0.0f : frameTimer * 0.05f;
 		compute.ubo.destX = sin(glm::radians(timer * 360.0f)) * 0.75f;
@@ -754,12 +755,10 @@ public:
 		if (!prepared)
 			return;
 		draw();
-		updateUniformBuffers();
-	}
-
-	virtual void viewChanged()
-	{
-		updateGraphicsUniformBuffers();
+		updateComputeUniformBuffers();
+		if (camera.updated) {
+			updateGraphicsUniformBuffers();
+		}
 	}
 };